The 5500-series mills are essentially a Model 5000-series mill upgraded to include adjustable “zero” handwheels in place of the standard non-resettable handwheels. They feature the same solid 10" (254mm) aluminum base, precision machined dovetailed slides with adjustable gibs, permanently lubricated spindle bearings, adjustable preload anti-backlash feed screws on the X- and Y-axes, and many other features found only on the best commercial machines.
Sherline Products manufactures a complete line of miniature machine tools including a 3.5" x 8" lathe, a 3.5" x 17" lathe and several models of vertical milling machines. there are now cnc-ready versions of each of these lathe and mill models. In addition to lathes, milling machines and accessories, sherline also makes products for other applications such as estimating weight using simple, inexpensive hydraulic scales.